Test your mind!
The Problem-Solving Initiative will collect and publish many interesting puzzles and mind-bending challenges designed to test and hone your logic and problem-solving skills. They will be suitable for all ages, depending on their difficulty.
Note – the solution is on the second page of each puzzle. Don’t scroll too far down if you don’t want to spoil the challenge!
LogicPuzzles
Mathematical Puzzles
Word Puzzles
Code Puzzles
Linguistics Puzzles – AILO
Want to try decoding the languages of the world?
For a large variety of puzzles from the All Ireland Linguistics Olympiad and the International Linguistics Olympiad, visit http://adaptcentre.ie/ailo/sample-puzzles/